Destruction Dragon, The Fang of Critias, Ring of Destruction, & Loop of Destruction

Destruction Dragon
Level 8 FIRE Dragon Fusion Effect Monster
ATK 2000
DEF 3000
Must be Special Summoned with “The Fang of Critias”, using “Ring of Destruction. Once per turn: You can target 1 card your opponent controls; destroy it. Then, if it was a Monster Card, inflict damage to your opponent equal to its Original ATK.

Loop of Destruction
Continuous Trap Card
This card’s name becomes “Ring of Destruction” while on the field. Once per turn, if a monster(s) on the field is destroyed by a card effect (except during the Damage Step): You can target 1 monster on the field; destroy it, and if you do, each player takes (????) damage.